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lesya [120]
3 years ago
6

What is this equation called?

Mathematics
1 answer:
nadya68 [22]3 years ago
5 0

\left\{\begin{array}{ccc}3x-6y=20&|\cdot2\\2x-4y=3&|\cdot3\end{array}\right\\\left\{\begin{array}{ccc}6x-12y=40\\6x-12y=9\\\end{array}\right

The left sides of the equations are the same and the right sides of the equations are different, therefore the system of equations is inconsistent.

Answer: B. inconsistent.

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Free_Kalibri [48]

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3

Step-by-step explanation:

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Answer:

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8 0
3 years ago
Your subtotal at the store was $72.29. You have a 40% off coupon. If the sales tax rate is 9.5%, what is the total price for you
harkovskaia [24]

Answer:

31.93

Step-by-step explanation:

you prob just want the answer but here

1. Find 40% of 72.29 (29.16)

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7 0
3 years ago
Which polynomial function has a leading coefficient of 1 and roots /7 and - /3 with multiplicity 1?
VladimirAG [237]

Answer:

  • A.  f(x) = (x - √2)(x + √3)

Step-by-step explanation:

Leading coefficient is 1, multiplicity is 1, roots are √2 and -√3. It means the function is the product of two binomials.

<u>The function with the roots of a and b is:</u>

  • f(x) = (x - a)(x - b)

<u>Substitute and and b:</u>

  • f(x) = (x - √2)(x - (-√3)) ⇒
  • f(x) = (x - √2)(x + √3)

Correct choice is A

4 0
3 years ago
Read 2 more answers
Triangle ABC is dilated by a scale factor of 2 with a center of dilation at the origin. What are the coordinates of the image of
RUDIKE [14]
C prime would just be (4, 2) cause you are dilating it at 0,0 and with a scale factor of 2.
2(2, 1) is (4, 2)
This is double the distance from 0, 0 which makes sense
6 0
3 years ago
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